Installation for welding nuclear fuel assembly skeletons, and corresponding methods of programming, of skeleton welding, and of making a fuel assembly

摘要

The installation provided includes at least one structure for receiving and holding guide tubes and structural elements; a carriage movable parallel to the guide tubes; at least one welding tool; and displacement means for moving the welding tool, the displacement means connecting the pincer to the carriage and presenting at least six degrees of freedom.

主权项

1. An installation for welding structural elements onto guide tubes of a nuclear fuel assembly skeleton, the installation comprising:
at least one structure for receiving and holding guide tubes and structural elements; a carriage movable parallel to the guide tubes; at least one welding tool; and a connector connecting the welding tool to the carriage and including six degrees of freedom formed by a plurality of rotary connections defining six respective rotary movements such that the welding tool presents at least seven degrees of freedom relative to the structure, the welding tool being movable by the connector relative to the carriage, at least one of the rotary connections being a double rotary connection, the double rotary connection being a connection which allows rotation about two distinct axes.